NS EN ISO 7393-3 : 1ED 2000

Committees responsible
National foreword
1 Scope
2 Normative references
3 Definitions
4 Principle
5 Reagents
6 Apparatus
7 Sampling and samples
8 Procedures
9 Expression of results
10 Interferences
11 Test report
Annex A (normative) Preparation of chlorine-demand free water
Annex B (informative) Direct iodometric titration procedure
                      for the determination of total chlorine
                      in waters with low organic substances
                      content
Annex C (informative) Bibliography
Annex ZA (normative) Normative references to international
                     publications with their relevant
                     European publications
Table 1 - Terms and synonyms in relation to actual compounds
          in the solution
Table 2 - Analytical parameters from interlaboratory analysis
          for free chlorine

Establishes an iodometric titration procedure for determining total chlorine in water. This procedure applies to the measurement of concentrations in terms of chlorine (Cl2), from 0,01 mmol/l to 0,21 mmol/l (0,71 mg/l to 15 mg/l).